Heater fan



FIG. 1 is a front perspective view of the heater fan of the presentinvention in a horizontal position;

FIG. 2 is a right side view in elevation of the heater fan of FIG. 1;

FIG. 3 is a left side view in elevation of the heater fan of FIG. 1;

FIG. 4 is a top plan view of the heater fan of FIG. 1;

FIG. 5 is a bottom plan view of the heater fan of FIG. 1;

FIG. 6 is a front view in elevation of the heater fan of FIG. 1;

FIG. 7 is a rear view in elevation of the heater fan of FIG. 1;

FIG. 8 is a second embodiment of the heater fan shown in FIG. 1 andshowing a front view in elevation of the heater fan, said secondembodiment being identical to that of FIGS. 1-7, except for theappearance of the added stability boot at its lower end; and,

FIG. 9 is a side view in elevation of the heater fan of FIG. 8.

The ornamental design for a heater fan, as shown and described.